Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    2.244683E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-02T07:57:08+0800
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    1 Object 1

    AOE ID 37496
    NORAD ID 37496
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 60542
    NORAD ID 60542
    Object Type PAYLOAD
    Country
    JP JP

    Conjunction Constraints

    Parameter COSMOS 2251 DEB QPS-SAR-8 AMATERU-IV
    Time of Closest Approach 2026-09-02T09:03:30+0000
    Collision Probability (Pc) 2.244683E-4
    Conjunction Distance (km) 0.483 km
    Relative Speed (km/s) 15.133 km/s
    Conjunction Risk Parameters R (Radial): -0.452 | I (In-track): -0.023 | C (Cross-track): -0.164
    Collision Risk Index (CRI) 0.82
    X Position (km) -5625.572 -5626.035
    Position Y (km) 3997.553 3997.687
    Position Z (km) 632.391 632.387
    Velocity X (km/s) -0.64 0.022
    Velocity Y (km/s) -2.128 1.23
    Velocity Z (km/s) 7.253 -7.487

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB QPS-SAR-8 AMATERU-IV
    Semimajor Axis (a) 6928.520 km 6930.295 km
    Eccentricity (e) 0.005031 0.000288
    Inclination (i) 73.9454° 97.6623°
    RAAN 149.1158° 323.0074°
    Perigee Argument 102.8068° 176.9073°
    Mean Anomaly (M) 257.8750° 183.2171°
    Apogee 585.242 km 554.153 km
    Perigee 515.524 km 550.163 km
    Orbit Epoch 2026-08-30T10:51:32+0000 2026-09-01T11:32:18+0000

    COSMOS 2251 DEB & QPS-SAR-8 AMATERU-IV Collision Probability (Pc) Trend

    COSMOS 2251 DEB & QPS-SAR-8 AMATERU-IV Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & QPS-SAR-8 AMATERU-IV Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & QPS-SAR-8 AMATERU-IV Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QPS-SAR-8 AMATERU-IVMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QPS-SAR-8 AMATERU-IVCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data